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Java - 返回树形结构数据 1.TreeNodeDto @Data public class TreeNodeDto { private Long id; private Long organizationId; private Long parentOrgId; private Integer level; private Integer ...

Java: Set String List 互转 1.Code import java.util.*; public class Main { public static void main(String[] args) { //List 转成 Set System.out.println("-------List 转成 Set--------");...